Assignee
Inventors
- Johannus Wilhelmus Weekamp (35 patents)
- Adrianus Cornelius Van Kasteren (6 patents)
- Jacobus Bernardus Giesbers (13 patents)
- Bartholomeus Petrus Hendricus Van Nunen (1 patents)
- Menno Willem Jose Prins (65 patents)
US Patent 6424698 · Granted Jul 23, 2002